It is 6
the GCF of 84 and 78 is: 6 the common factors of 78 and 84 are: 1,2,3, and 6
The GCF of 84 and 78 is 6. 6*14 = 84 and 6*13 = 78
The GCF is: 6
The GCF is 6.
The GCF is 6.
The GCF is 6.
The GCF of 78 and 30 is 6.
The GCF is 6.
The GCF/HCF of 36 and 78 is 6.
The GCF is 6.
The GCF is 6.
The GCF is 6.